sreang friotaíochta leictreach téimh cr20ni30 le haghaidh sorn leictreach
Príomh-mhaoin na sreinge friotaíochta téimh
Cineál | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
Príomh-chomhdhéanamh ceimiceach | Ni | An chuid eile | 55.0~61.0 | An chuid eile | 34.0~37.0 | 30.0~34.0 |
Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 | |
Fe | ≤1 | An chuid eile | ≤1 | An chuid eile | An chuid eile | |
Teocht Uasta(C) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Friotaíocht Comhéifeacht ceartúcháin teochta.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
Leáphointe (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
Friotaíocht ρ20 ℃ (10-6Ω.m) | 800 ℃ | 1. 008 | 1. 078 | 1. 028 | 1. 188 | 1. 173 |
1000 ℃ | 1. 014 | 1. 095 | 1. 033 | 1. 219 | 1. 201 | |
1200 ℃ | 1. 025 | 1. 043 | ||||
Luach saol tapa | Teim.(℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
uair(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
Domhantarraingt ar leith(g/cm3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
Fadú(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Teirmeach (kj/mh ℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Teas sonrach (20 ℃) j / g. ℃ | 0. 44 | 0. 494 | 0. 461 | 0.5 | 0.5 | |
Leathnaigh neart (20 ~ 1000 ℃) α * 10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
Neart teanntachta (kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
Ag lúbadh arís agus arís eile (F/R) | >12 | >12 | >12 | >12 | >12 | |
Micreastruchtúr | Austéinít | Austéinít | Austéinít | Austéinít | Austéinít |
Trastomhas(mm) | Caoinfhulaingt(mm) | Trastomhas(mm) | Caoinfhulaingt(mm) |
0.03-0.05 | ±0.005 | >0.50-1.00 | ±0.02 |
>0.05-0.10 | ±0.006 | >1.00-3.00 | ±0.03 |
>0.10-0.20 | ±0.008 | >3.00-6.00 | ±0.04 |
>0.20-0.30 | ±0.010 | >6.00-8.00 | ±0.05 |
>0.30-0.50 | ±0.015 | >8.00-12.0 | ±0.4 |
Tiús(mm) | Caoinfhulaingt(mm) | Leithead(mm) | Caoinfhulaingt(mm) |
0.05-0.10 | ±0.010 | 5.00-10.0 | ±0.2 |
>0.10-0.20 | ±0.015 | >10.0-20.0 | ±0.2 |
>0.20-0.50 | ±0.020 | >20.0-30.0 | ±0.2 |
>0.50-1.00 | ±0.030 | >30.0-50.0 | ±0.3 |
>1.00-1.80 | ±0.040 | >50.0-90.0 | ±0.3 |
>1.80-2.50 | ±0.050 | >90.0-120.0 | ±0.5 |
>2.50-3.50 | ±0.060 | >120.0-250.0 | ±0.6 |